159979905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187111}}^1$

素因数の和:187141

約数の個数: 24

約数和(自身を含む): 291894720

約数和(自身を除く): 131914815

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 187111, 561333, 935555, 1683999, 2806665, 3555109, 8419995, 10665327, 17775545, 31995981, 53326635, 159979905]

約数ペア:

[(1, 159979905), (3, 53326635), (5, 31995981), (9, 17775545), (15, 10665327), (19, 8419995), (45, 3555109), (57, 2806665), (95, 1683999), (171, 935555), (285, 561333), (855, 187111)]